The core activity of Arnold Pfister AG is the cleaning, inspection, tightness testing and disposal of sewage pipes and systems. This includes in particular: The cleaning of sewage pipes with high-pressure flushing vehicles and suction vehicles; The inspection of sewage pipes with sewer television systems; The testing of sewage pipes for tightness and leaks; The disposal of special waste, such as sludge collectors and oil separators; Winter maintenance services. The company thus offers a comprehensive range of services for the maintenance and renovation of sewage pipes and systems.